Home / 3,538.42-4,881.45-2,358.34

Finding the Fourth Proportional to 3,538.42, 4,881.45 and 2,358.34

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Solution

The fourth proportional to 3,538.42, 4,881.45 and 2,358.34 is: 3,253.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,538.42 : 4,881.45 = 2,358.34 : x
  2. Step 2: Convert to fraction form
    3,538.42/4,881.45 = 2,358.34/x
  3. Step 3: Cross multiply
    3,538.42x = 4,881.45 × 2,358.34
  4. Step 4: Simplify right side
    3,538.42x = 11,512,118.79
  5. Step 5: Solve for x
    x = 11,512,118.79/3,538.42
  6. Step 6: Final answer
    x = 3,253.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.